ZFS - poor performance with "large" directories

[Mike Tancsa]

On 11/24/2015 10:26 AM, Albert Cervin wrote:
>  vfs.zfs.txg.timeout is already verified to be 5 (the default). I have
> also turned off atime and vfs.zfs.arc_meta_limit is 1287906304.
> 
> "Do you have any memory pressures on your server ?  Have a look at this
> thread"
> 
> The server has 4 cores and 8Gb of memory and there is no memory
> pressure on the server. Thanks, will look at the thread!
> 
> The setup is _really_ simple with just a single pool and no datasets.
> 
> Any more ideas?

8G is not that much really. In the thread they suggested increasing the
meta limit so that the giant directory can fit into cache.

	---Mike



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Mike Tancsa, tel +1 519 651 3400
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